Hans-Peter Hartschen

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Joint filler
- Patent number 4,900,773
- Issue date Feb 13, 1990
- Henkel Kommanditgesellschaft auf Aktien
- Hans-Peter Hartschen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES